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macho: fix dirtying of GOT entries

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This commit is contained in:
Jakub Konka 2023-04-19 21:53:30 +02:00
parent f9e9974c8f
commit d6e66cff12
1 changed files with 8 additions and 5 deletions
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13
src/link/MachO.zig
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@ -1335,17 +1335,20 @@ fn markRelocsDirtyByAddress(self: *MachO, addr: u64) void {
for (self.relocs.values()) |*relocs| { for (self.relocs.values()) |*relocs| {
for (relocs.items) |*reloc| { for (relocs.items) |*reloc| {
const target_addr = reloc.getTargetBaseAddress(self) orelse continue; const target_addr = reloc.getTargetBaseAddress(self) orelse continue;
if (target_addr == 0) continue;
if (target_addr < addr) continue; if (target_addr < addr) continue;
reloc.dirty = true; reloc.dirty = true;
} }
} }
// Dirty synthetic table sections if necessary // TODO: dirty only really affected GOT cells
{ for (self.got_table.entries.items) |entry| {
const target_addr = self.getSegment(self.got_section_index.?).vmaddr; const target_addr = self.getSymbol(entry).n_value;
if (target_addr >= addr) self.got_table_contents_dirty = true; if (target_addr >= addr) {
self.got_table_contents_dirty = true;
break;
}
} }
{ {
const stubs_addr = self.getSegment(self.stubs_section_index.?).vmaddr; const stubs_addr = self.getSegment(self.stubs_section_index.?).vmaddr;
const stub_helper_addr = self.getSegment(self.stub_helper_section_index.?).vmaddr; const stub_helper_addr = self.getSegment(self.stub_helper_section_index.?).vmaddr;